-72.55% is the change from 102 to 28
Calculation steps:
[( 28 - 102 ) ÷ 102] x 100 = -72.55%
Formula
Percentage change = [(28 - 102) / 102] x 100
Subtract the new number by the original number
28 - 102 = -74
-74 ÷ 102 = -0.7254901960784313
-0.7254901960784313 x 100 = -72.55%